Clear twinned Calcite crystals with a high glassy luster associated with sharply pointed Marcasite crystals. With all of the surfaces, the specimen has a sparkly appearance. The Calcite and Marcasite are on all sides of the specimen which has a limestone matrix at its core.
The specimen is in fairly good condition although several of the Calcite crystals are bruised.
8 x 8.2 x 4.7 cmLargest Calcite XL is 1.3 x 1.7 x 0.7